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<h1>&nbsp;</h1>
<h1><a name=Top></a>Efficiency Ratios</h1>
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<h2>Overview</td></tr>
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<p>This rule checks that specific efficiency ratios are inside given limits. 
 It also creates a report including all area and efficiency values.</p>
<p class=whs6 style="font-style: italic;">Running this rule requires definition 
 of Gross Area Compartments and defining glazed wall types. It can also 
 require settings of glazed wall components from its tools panel.</td></tr>
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<td bgcolor="#003366" width="100%" class="whs6">
<h2>Configuring the Rule</td></tr>
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<p>The rule has the following limit values:</p>
<ul class=whs9 style="list-style: disc;" type=disc>
	<li class=p><p>Minimum USF/GSF Ratio (Usable Office Area divided by 
 Gross Building Area)</p></li>
	<li class=p><p>Minimum and Maximum Skin Ratio (Skin Area divided by 
 Gross Building Area)</p></li>
	<li class=p><p>Minimum and Maximum Fenestration Ratio (Window Area 
 divided by Skin Area)</p></li>
	<li class=p><p>Maximum Public Space/GSF Ratio (Public Space Area divided 
 by Gross Building Area)</p></li>
</ul>
<p>The rule has also a table parameter for glazed wall types. If a wall's 
 construction type is set to be glazed wall in this table, the wall area 
 is totally included in window area.</td></tr>
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<td bgcolor="#003366" width="100%" class="whs8">
<h2>Analyzing the Results</td></tr>
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<p>The rule calculates all ratios mentioned above, and creates issues if 
 they are out of limits.</td></tr>
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<td bgcolor="#003366" width="100%" class="whs8">
<h2>Reported Data</td></tr>
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<td colspan="1" rowspan="1" bgcolor="#D9D9D9" width="100%" class="whs7">
<p>The rule creates a report containing the following values for each floor 
 and for to whole building:</p>
<ul class=whs9 style="list-style: disc;" type=disc>
	<li class=p><p>Gross Building Area</p></li>
	<li class=p><p>Gross Building Area w/o Parking</p></li>
	<li class=p><p>Gross Measured Area</p></li>
	<li class=p><p>Vertical Penetration Polygon Area</p></li>
	<li class=p><p>PBS Specific polygon Area</p></li>
	<li class=p><p>Rentable and Usable Area</p></li>
	<li class=p><p>Usable Area</p></li>
	<li class=p><p>Rentable - Building Common Area</p></li>
	<li class=p><p>Rentable - Floor Common Area</p></li>
	<li class=p><p>Floor Office and Rentable Area</p></li>
	<li class=p><p>USF/GSF (<a href="ANSI_BOMA_View.htm#CalculationMethod">ANSIBOMA 
 calculation method</a>: Usable Office Area / Gross Building Area, <a href="ANSI_BOMA_View.htm#CalculationMethod">GSA 
 calculation method</a>:Usable Office Area / Gross Building Area w/o Parking)</p></li>
	<li class=p><p>Floor Common Area</p></li>
	<li class=p><p>Floor R/U</p></li>
	<li class=p><p>Basic Rentable Office Area</p></li>
	<li class=p><p>Basic Rentable Building Common Area</p></li>
	<li class=p><p>Building Rentable Area</p></li>
	<li class=p><p>Building R/U</p></li>
	<li class=p><p>Office Rentable Area</p></li>
	<li class=p><p>Public Space Area</p></li>
	<li class=p><p><a href="ANSI_BOMA_View.htm#CalculationMethod">ANSIBOMA 
 calculation method</a>: Public Space Area / Gross Building Area, <a href="ANSI_BOMA_View.htm#CalculationMethod">GSA 
 calculation method</a>: Public Space Area / Gross Building Area w/o Parking</p></li>
	<li class=p><p>Skin Area</p></li>
	<li class=p><p>Skin Ratio (<a href="ANSI_BOMA_View.htm#CalculationMethod">ANSIBOMA 
 calculation method</a>: Skin Area / Gross Building Area, <a href="ANSI_BOMA_View.htm#CalculationMethod">GSA 
 calculation method</a>: Skin Area / Gross Building Area w/o Parking)</p></li>
	<li class=p><p>Fenestration Area</p></li>
	<li class=p><p>Fenestration Ratio (Fenestration Area / Skin Ratio)</p></li>
</ul>
<p>Usable and rentable areas are calculated according to the ANSI/BOMA 
 standard. They are shortly described in <a href="file:///C:/users/aaa/Help%20files/GSA/BOMA_View.htm">Area 
 Calculation</a>.</td></tr>
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<h2>Rule Tools</td></tr>
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<p>Tools panel of the rule allows you to set walls to be glazed walls. 
 You can either set type of the selected walls to be glazed wall types, 
 or set an individual wall to be a glazed one. You can also highlight all 
 glazed walls in 3D view.</td></tr>
</table>
</div>
<p>&nbsp;</p>
<p><a href="#Top">Back to Top</a> <a href="mailto:support@solibri.com">Contact 
 Support</a></p>

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